Mathematical Transform Of (R, G, B) Color Data To Munsell (H, V, C) Color Data

Makoto Miyahara; Yasuhiro Yoshida

doi:10.1117/12.969009

25 October 1988 Mathematical Transform Of (R, G, B) Color Data To Munsell (H, V, C) Color Data

Makoto Miyahara, Yasuhiro Yoshida

Proceedings Volume 1001, Visual Communications and Image Processing '88: Third in a Series; (1988) https://doi.org/10.1117/12.969009
Event: Visual Communications and Image Processing III, 1988, Cambridge, MA, United States

Abstract

In studying new-generation color image codings, it is very effective 1) to code signals in the space of inherent tri-attributes of human color perception, and 2) to relate a coding error with perceptual degree of deteriorations. For these purpose, we have adopted the Munsell Renotation System in which color signals of tri-attributes of human color perception (Hue, Value and Chroma) and psychometrical color differences are defined. In the Munsell Renotation System, however, intertransformation between (RGB) data and corresponding color data is very cumbersome. Because the intertransformation depends on a look up table. This article presents a new method of mathematical transformation. The mathematical transformation is obtained by multiple regression analysis of 250 color samples, which are uniformly sampled from whole color ranges that a conventional NTSC color TV camera can present. The new method can transform (RGB) data to the data of the Munsell Renotation System far better than the conventional method given by the CIE(1976)L*a*b*.

Citation Download Citation

Makoto Miyahara and Yasuhiro Yoshida "Mathematical Transform Of (R, G, B) Color Data To Munsell (H, V, C) Color Data", Proc. SPIE 1001, Visual Communications and Image Processing '88: Third in a Series, (25 October 1988); https://doi.org/10.1117/12.969009

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